Machine-shop Handbook: A Handbook of Reference on Machine-shop Practice for Those Interested in the Work of the Machine Operator, Machinist, Toolmaker, and the General MechanicInternational Textbook Company, 1924 - 346 σελίδες |
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Σελίδα 34
... moved one place to the left is nearest to the second difference . This is the difference for .3 ' or 18 " . Hence , the angle is 29 ° 30 ′ + 7 ′ + 18 " = 29 ° 37 ′ 18 " . In the example given , the minutes and seconds corresponding to ...
... moved one place to the left is nearest to the second difference . This is the difference for .3 ' or 18 " . Hence , the angle is 29 ° 30 ′ + 7 ′ + 18 " = 29 ° 37 ′ 18 " . In the example given , the minutes and seconds corresponding to ...
Σελίδα 80
... moved over , one way or the other , until the inaccuracy is equally divided between the two ends , after which the per- manent centers can be drilled . Changing Center Marks . - Center marks may be changed in case the trial center does ...
... moved over , one way or the other , until the inaccuracy is equally divided between the two ends , after which the per- manent centers can be drilled . Changing Center Marks . - Center marks may be changed in case the trial center does ...
Σελίδα 85
... moved out , leaving a distance between each pair large enough for the piece to slip between them , the jaws being kept centered by means of the guiding circles on the chuck face . The piece is placed in the jaws FIG . 13 and the latter ...
... moved out , leaving a distance between each pair large enough for the piece to slip between them , the jaws being kept centered by means of the guiding circles on the chuck face . The piece is placed in the jaws FIG . 13 and the latter ...
Σελίδα 88
... moved in or out until it balances the plate . The rocker - arm may also be held by passing a bolt through the slot b and the hole c , and placing a washer and nut on the end of the bolt . FIG . 19 ( b ) Angle Plate . - The angle plate ...
... moved in or out until it balances the plate . The rocker - arm may also be held by passing a bolt through the slot b and the hole c , and placing a washer and nut on the end of the bolt . FIG . 19 ( b ) Angle Plate . - The angle plate ...
Σελίδα 97
... moved back and forth on the work , so that the lines cut by the particles of emery will be constantly crossing and recrossing one another . Plenty of oil should be supplied to both the work and the emery . Speed for Polishing . - A ...
... moved back and forth on the work , so that the lines cut by the particles of emery will be constantly crossing and recrossing one another . Plenty of oil should be supplied to both the work and the emery . Speed for Polishing . - A ...
Συχνά εμφανιζόμενοι όροι και φράσεις
acid allow alloys aluminum angle applied Area bearings belt brass bushing calipers cast iron castings cent circle circular clean column contains copper corresponding cutters Depth desired Diam diameter difference distance divide divisions drill edges equal face feet figure finishing foot gauge gear give given grinding hand hard hardened head heat held holes Inches Inches Inches iron known lathe lead length machine measured metal Minute moved multiply number of teeth obtained operation piece pipe pitch placed plate Pounds produce pulley reading removed result root roughing round rule scale screw shaft shank shown in Fig shows side sizes soft solution speed spindle square standard steel surface taper Thickness thread threads per inch tool turned usually weight wheel zinc
Δημοφιλή αποσπάσματα
Σελίδα xxv - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards — 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 7 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Σελίδα 1 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα xxvi - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 7 - Measures of Capacity 10 milliliters (ml) =1 centiliter cl 10 centiliters =1 deciliter dl 10 deciliters =1 liter 1 10 liters =1 dekaliter Dl 10 dekaliters =1 hektoliter HI 10 hektoliters =1 kiloliter Kl NOTE — The liter is equal to the volume occupied by 1 cubic decimeter.
Σελίδα 174 - Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 Fig 6 Fig 7 Fig 8 Fig 9...
Σελίδα 339 - What are you doing with the hours after supper? Can you afford to let them slip by unimproved when you can easily make them mean so much? One hour a day spent with the ICS will prepare you for the position you want in the work you like best. Yes, it will! Put it up to us to prove it. Mark and mall this coupon now!
Σελίδα 7 - These prefixes form the key to the entire system. In the following tables, the abbreviations of the principal units of these submultiples begin with a small letter, while those of the multiples begin with a capital letter; they should always be written as here printed.
Σελίδα xxvi - Apothecaries' Weight 20 grains (gr.) = 1 scruple (sc.) 3 scruples = 1 dram (dr.) 8 drams = 1 ounce (oz.) 12 ounces = 1 pound (Ib...
Σελίδα 339 - Every hour I spent on my ICS Course has been worth $95 to me! My position, my $5,000 a year income, my home, my family's happiness — I owe it all to my spare time training with the International Correspondence Schools!